28240455

素因数分解:

$3^1\times 5^1\times {\mathrm{881}}^1\times {\mathrm{2137}}^1$

素因数の和:3026

約数の個数: 16

約数和(自身を含む): 45257184

約数和(自身を除く): 17016729

約数列:

[1, 3, 5, 15, 881, 2137, 2643, 4405, 6411, 10685, 13215, 32055, 1882697, 5648091, 9413485, 28240455]

約数ペア:

[(1, 28240455), (3, 9413485), (5, 5648091), (15, 1882697), (881, 32055), (2137, 13215), (2643, 10685), (4405, 6411)]